Tribological and antioxidation properties study of two N-containing borate ester derivatives as additive in rapeseed oil.
basic_science · Level V
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- Record sourced from PubMed, PMID 30532239.
- Also identified by DOI 10.1371/journal.pone.0207267 and PMC identifier 6287838.
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Abstract
Two kinds of phenol- and N- containing borate ester, BTEB and BMEB have good hydrolysis stability due to the B-N coordination bond. The PB value improved by 60.7% and 67.6% respectively at 0.5wt% BTEB, BMEB in rapeseed oil. Their antiwear effect increases with the increase of adding content, and BMEB is better than BTEB. The friction-reducing effect of BTEB is better than BMEB. All additives formed a protective film which containing BOx, FeOx and other organic nitrogen compounds. The better capacities of BMEB may due to the complex boundary lubricating film which contain ferrous sulfate, ferrous sulfide. All additives possessed good antioxidation effect, and it increased the oxidation activation energy than rapeseed oil by 51.15% and 78.82% respectively at 0.25wt%.
Medical subject headings
- Antioxidants
- Borates
- Esters
- Nitrogen
- Rapeseed Oil